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Preparation method of interface modified toughened aerogel composite material
The invention provides a preparation method of an interface modified toughened aerogel composite material, which comprises the following steps: S1, preparing a natural rubber solution, impregnating a fiber reinforcement base material, and drying; s2, dissolving a silicon source precursor in a mixed solution of water and an alcohol solvent, stirring, and carrying out water bath; and S3, adding a catalyst into the silicon source solution, spraying the silicon source solution on the fiber reinforcement, carrying out water bath standing, and adding an alcohol solvent for aging replacement. And S4, drying treatment. According to the preparation method of the interface modified toughened aerogel composite material, provided by the invention, the composite aerogel material is prepared through interface modification adjustment, so that the bonding strength between fibers and aerogel is effectively improved, the dispersity of the aerogel in the fibers is improved, and the deformability of the aerogel composite material is improved; the mechanical property and durability of the composite material are enhanced, so that the composite material has good bendability, flexibility and heat insulation performance.
本发明提供一种界面改性增韧气凝胶复合材料的制备方法，包括以下步骤：S1：配置天然橡胶溶液，浸渍纤维增强体基材后干燥处理；S2：将硅源前驱体溶解在水和醇溶剂的混合溶液中，搅拌后进行水浴；S3：向硅源溶液中添加催化剂喷淋在纤维增强体上进行水浴静置，加入醇溶剂进行老化置换。S4：干燥处理。本发明提供的界面改性增韧气凝胶复合材料的制备方法，通过界面改性调节制备的复合型气凝胶材料，有效提高了纤维与气凝胶之间的粘结强度，改善气凝胶在纤维中的分散性，提高气凝胶复合材料的形变能力，增强复合材料的力学性能与耐久性能，使其具有良好的弯曲性、柔韧性、隔热性能。
Preparation method of interface modified toughened aerogel composite material
The invention provides a preparation method of an interface modified toughened aerogel composite material, which comprises the following steps: S1, preparing a natural rubber solution, impregnating a fiber reinforcement base material, and drying; s2, dissolving a silicon source precursor in a mixed solution of water and an alcohol solvent, stirring, and carrying out water bath; and S3, adding a catalyst into the silicon source solution, spraying the silicon source solution on the fiber reinforcement, carrying out water bath standing, and adding an alcohol solvent for aging replacement. And S4, drying treatment. According to the preparation method of the interface modified toughened aerogel composite material, provided by the invention, the composite aerogel material is prepared through interface modification adjustment, so that the bonding strength between fibers and aerogel is effectively improved, the dispersity of the aerogel in the fibers is improved, and the deformability of the aerogel composite material is improved; the mechanical property and durability of the composite material are enhanced, so that the composite material has good bendability, flexibility and heat insulation performance.
本发明提供一种界面改性增韧气凝胶复合材料的制备方法，包括以下步骤：S1：配置天然橡胶溶液，浸渍纤维增强体基材后干燥处理；S2：将硅源前驱体溶解在水和醇溶剂的混合溶液中，搅拌后进行水浴；S3：向硅源溶液中添加催化剂喷淋在纤维增强体上进行水浴静置，加入醇溶剂进行老化置换。S4：干燥处理。本发明提供的界面改性增韧气凝胶复合材料的制备方法，通过界面改性调节制备的复合型气凝胶材料，有效提高了纤维与气凝胶之间的粘结强度，改善气凝胶在纤维中的分散性，提高气凝胶复合材料的形变能力，增强复合材料的力学性能与耐久性能，使其具有良好的弯曲性、柔韧性、隔热性能。
Preparation method of interface modified toughened aerogel composite material
一种界面改性增韧气凝胶复合材料的制备方法
LI HUI (author) / SHEN YUYE (author) / LI WEI (author) / HU BIN (author) / TANG BIN (author) / YANG CHAOJIN (author) / XIE GUANSHU (author)
2023-11-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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